1  /* FriBidi
       2   * fribidi-unicode.h - general Unicode definitions
       3   *
       4   * Author:
       5   *   Behdad Esfahbod, 2001, 2002, 2004
       6   *
       7   * Copyright (C) 2004 Sharif FarsiWeb, Inc
       8   * Copyright (C) 2001,2002 Behdad Esfahbod
       9   * 
      10   * This library is free software; you can redistribute it and/or
      11   * modify it under the terms of the GNU Lesser General Public
      12   * License as published by the Free Software Foundation; either
      13   * version 2.1 of the License, or (at your option) any later version.
      14   * 
      15   * This library is distributed in the hope that it will be useful,
      16   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      17   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      18   * Lesser General Public License for more details.
      19   * 
      20   * You should have received a copy of the GNU Lesser General Public License
      21   * along with this library, in a file named COPYING; if not, write to the
      22   * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
      23   * Boston, MA 02110-1301, USA
      24   * 
      25   * For licensing issues, contact <fribidi.license@gmail.com>.
      26   */
      27  #ifndef _FRIBIDI_UNICODE_H
      28  #define _FRIBIDI_UNICODE_H
      29  
      30  #include "fribidi-common.h"
      31  
      32  #include "fribidi-types.h"
      33  
      34  #include "fribidi-begindecls.h"
      35  
      36  /* We do not support surrogates yet */
      37  #define FRIBIDI_UNICODE_CHARS	(sizeof(FriBidiChar) >= 4 ? 0x110000 : 0xFFFE)
      38  
      39  /* Unicode version - FRIBIDI_UNICODE_VERSION */
      40  #ifdef DONT_HAVE_FRIBIDI_UNICODE_VERSION_H
      41  # define FRIBIDI_UNICODE_VERSION "unknown"
      42  #else /* !DONT_HAVE_FRIBIDI_UNICODE_VERSION_H */
      43  # include "fribidi-unicode-version.h"
      44  #endif /* !DONT_HAVE_FRIBIDI_UNICODE_VERSION_H */
      45  
      46  /* An string containing the version the Unicode standard implemented,
      47   * in the form of "x.y.z", or "unknown". */
      48  FRIBIDI_ENTRY FRIBIDI_EXTERN const char *fribidi_unicode_version;
      49  
      50  
      51  /* Unicode Bidirectional Algorithm definitions: */
      52  
      53  /* Number of types defined in the bidi algorithm */
      54  #define FRIBIDI_BIDI_NUM_TYPES			19
      55  
      56  /* The maximum embedding level value assigned by explicit marks */
      57  #define FRIBIDI_BIDI_MAX_EXPLICIT_LEVEL		125
      58  
      59  /* The maximum *number* of different resolved embedding levels: 0-126 */
      60  #define FRIBIDI_BIDI_MAX_RESOLVED_LEVELS	127
      61  
      62  /* The maximum *number* of nested brackets: 0-63 */
      63  #define FRIBIDI_BIDI_MAX_NESTED_BRACKET_PAIRS   63
      64  
      65  /* A few Unicode characters: */
      66  
      67  /* Bidirectional marks */
      68  #define FRIBIDI_CHAR_LRM		0x200E
      69  #define FRIBIDI_CHAR_RLM		0x200F
      70  #define FRIBIDI_CHAR_LRE		0x202A
      71  #define FRIBIDI_CHAR_RLE		0x202B
      72  #define FRIBIDI_CHAR_PDF		0x202C
      73  #define FRIBIDI_CHAR_LRO		0x202D
      74  #define FRIBIDI_CHAR_RLO		0x202E
      75  #define FRIBIDI_CHAR_LRI		0x2066
      76  #define FRIBIDI_CHAR_RLI		0x2067
      77  #define FRIBIDI_CHAR_FSI		0x2068
      78  #define FRIBIDI_CHAR_PDI		0x2069
      79  
      80  /* Line and Paragraph Separators */
      81  #define FRIBIDI_CHAR_LS			0x2028
      82  #define FRIBIDI_CHAR_PS			0x2029
      83  
      84  /* Arabic Joining marks */
      85  #define FRIBIDI_CHAR_ZWNJ		0x200C
      86  #define FRIBIDI_CHAR_ZWJ		0x200D
      87  
      88  /* Hebrew and Arabic */
      89  #define FRIBIDI_CHAR_HEBREW_ALEF	0x05D0
      90  #define FRIBIDI_CHAR_ARABIC_ALEF	0x0627
      91  #define FRIBIDI_CHAR_ARABIC_ZERO	0x0660
      92  #define FRIBIDI_CHAR_PERSIAN_ZERO	0x06F0
      93  
      94  /* Misc */
      95  #define FRIBIDI_CHAR_ZWNBSP		0xFEFF
      96  
      97  /* Char we place for a deleted slot, to delete later */
      98  #define FRIBIDI_CHAR_FILL		FRIBIDI_CHAR_ZWNBSP
      99  
     100  #include "fribidi-enddecls.h"
     101  
     102  #endif /* !_FRIBIDI_UNICODE_H */
     103  /* Editor directions:
     104   * vim:textwidth=78:tabstop=8:shiftwidth=2:autoindent:cindent
     105   */